Possibly fix crash when room is cleared on event delegate

This commit is contained in:
Nicolas Werner 2023-11-01 20:57:39 +01:00
parent 7982c2bd75
commit 81cf29f924
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GPG key ID: C8D75E610773F2D9

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@ -162,48 +162,50 @@ EventDelegateChooser::DelegateIncubator::setInitialState(QObject *obj)
// setInitialProperties(rolesToSet);
auto update =
[this, obj, roleToPropIdx = std::move(roleToPropIdx)](const QList<int> &changedRoles) {
if (changedRoles.empty() || changedRoles.contains(TimelineModel::Roles::Type)) {
int type = chooser.room_
->dataById(currentId,
TimelineModel::Roles::Type,
forReply ? chooser.eventId_ : QString())
.toInt();
if (type != oldType) {
// nhlog::ui()->debug("Type changed!");
reset(currentId);
return;
}
}
auto update = [this, obj, roleToPropIdx = std::move(roleToPropIdx)](
const QList<int> &changedRoles, TimelineModel *room) {
if (!room)
return;
std::vector<QModelRoleData> rolesToRequest;
if (changedRoles.empty() || changedRoles.contains(TimelineModel::Roles::Type)) {
int type = room
->dataById(currentId,
TimelineModel::Roles::Type,
forReply ? chooser.eventId_ : QString())
.toInt();
if (type != oldType) {
// nhlog::ui()->debug("Type changed!");
reset(currentId);
return;
}
}
if (changedRoles.empty()) {
for (const auto role :
std::ranges::subrange(roleToPropIdx.keyBegin(), roleToPropIdx.keyEnd()))
rolesToRequest.emplace_back(role);
} else {
for (auto role : changedRoles) {
if (roleToPropIdx.contains(role)) {
rolesToRequest.emplace_back(role);
}
}
}
std::vector<QModelRoleData> rolesToRequest;
if (rolesToRequest.empty())
return;
if (changedRoles.empty()) {
for (const auto role :
std::ranges::subrange(roleToPropIdx.keyBegin(), roleToPropIdx.keyEnd()))
rolesToRequest.emplace_back(role);
} else {
for (auto role : changedRoles) {
if (roleToPropIdx.contains(role)) {
rolesToRequest.emplace_back(role);
}
}
}
auto mo = obj->metaObject();
chooser.room_->multiData(
currentId, forReply ? chooser.eventId_ : QString(), rolesToRequest);
if (rolesToRequest.empty())
return;
Qt::beginPropertyUpdateGroup();
for (const auto &role : rolesToRequest) {
mo->property(roleToPropIdx[role.role()]).write(obj, role.data());
}
Qt::endPropertyUpdateGroup();
};
auto mo = obj->metaObject();
room->multiData(currentId, forReply ? chooser.eventId_ : QString(), rolesToRequest);
Qt::beginPropertyUpdateGroup();
for (const auto &role : rolesToRequest) {
mo->property(roleToPropIdx[role.role()]).write(obj, role.data());
}
Qt::endPropertyUpdateGroup();
};
if (!forReply) {
auto row = chooser.room_->idToIndex(currentId);
@ -211,18 +213,27 @@ EventDelegateChooser::DelegateIncubator::setInitialState(QObject *obj)
chooser.room_,
&QAbstractItemModel::dataChanged,
obj,
[row, update](const QModelIndex &topLeft,
const QModelIndex &bottomRight,
const QList<int> &changedRoles) {
[row, update, room = chooser.room_](const QModelIndex &topLeft,
const QModelIndex &bottomRight,
const QList<int> &changedRoles) {
if (row < topLeft.row() || row > bottomRight.row())
return;
update(changedRoles);
update(changedRoles, room);
},
Qt::QueuedConnection);
connect(&this->chooser, &EventDelegateChooser::destroyed, obj, [connection]() {
QObject::disconnect(connection);
});
connect(
&this->chooser,
&EventDelegateChooser::destroyed,
obj,
[connection]() { QObject::disconnect(connection); },
Qt::SingleShotConnection);
connect(
&this->chooser,
&EventDelegateChooser::roomChanged,
obj,
[connection]() { QObject::disconnect(connection); },
Qt::SingleShotConnection);
}
}